EP1275903A2 - Poêle à radiation avec combustion fermée - Google Patents

Poêle à radiation avec combustion fermée Download PDF

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Publication number
EP1275903A2
EP1275903A2 EP02077737A EP02077737A EP1275903A2 EP 1275903 A2 EP1275903 A2 EP 1275903A2 EP 02077737 A EP02077737 A EP 02077737A EP 02077737 A EP02077737 A EP 02077737A EP 1275903 A2 EP1275903 A2 EP 1275903A2
Authority
EP
European Patent Office
Prior art keywords
combustion chamber
transparent panel
gas fire
gas
closing means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02077737A
Other languages
German (de)
English (en)
Other versions
EP1275903A3 (fr
Inventor
Johannes Antonius Maria Willemsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DRU Verwarming BV
Original Assignee
DRU Verwarming BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DRU Verwarming BV filed Critical DRU Verwarming BV
Publication of EP1275903A2 publication Critical patent/EP1275903A2/fr
Publication of EP1275903A3 publication Critical patent/EP1275903A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/18—Stoves with open fires, e.g. fireplaces
    • F24B1/1808—Simulated fireplaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/02—Stoves or ranges for gaseous fuels with heat produced solely by flame
    • F24C3/022—Stoves

Definitions

  • the invention relates to a closed combustion gas fire comprising a combustion chamber fitted with first closing means comprising a transparent panel, by means of which the combustion chamber can be sealed gastight from a space in which the gas fire is disposed, a gas control block with a burner at the bottom of the combustion chamber for burning gas, and second closing means for hiding at least the gas control block at least substantially from view.
  • closed combustion is understood to mean the situation in which the oxygen that is needed for the combustion process is not drawn from the space within which the gas fire is disposed, but supplied to the burner via the gas control block of the gas fire from the outside of the space in question, usually by means of a channel which extends through an outside wall or a roof.
  • a closed, gastight combustion chamber In order to obtain such closed combustion, a closed, gastight combustion chamber must be used.
  • first closing means comprising a transparent panel, which is mounted in a casing, for example, with a gastight seal being provided.
  • the transparent panel also transmits radiation heat from the combustion process.
  • the second closing means are usually formed by a downwardly pivotable flap present under the casing. When said flap is pivoted downwards, access can be gained to the buttons of the gas control block, which can be operated for controlling the burner disposed inside the combustion chamber, at the bottom thereof.
  • the flap is expressly not intended for realising a gastight seal, but only for hiding the gas control block and other functional elements from view.
  • the casing with the transparent panel on the one hand and the closing means on the other hand can be visually distinguished from each other to a greater or smaller extent, at least because of the seam that is present between the two elements.
  • an increased consumer demand for more austere designs can be observed.
  • the seams between the second closing means and the first closing means for example in the form of a casing with a transparent panel, are increasingly being considered objectionable.
  • a second disadvantageous aspect of prior art gas fires is the difficult manner in which the opening and in particular the subsequent closing of the first closing means takes place. Said opening and closing may for example be desired in the case of installation and maintenance work or when the inner side of the transparent panel is to be cleaned.
  • the first closing means are made up of a frame work, by means of which the glass panel is pressed against the housing.
  • a seal for example in the form of a glass fibre cord, which usually becomes detached from the surrounding elements upon removal of the frame work and which needs to be correctly positioned again upon closing of the first closing means so as to obtain a proper seal. In practice this appears to be time-consuming and difficult, which has an inhibiting effect, for example as regards the cleaning of the inner side of the glass panel.
  • the object of the invention is to provide a gas fire which is capable of meeting the aesthetic requirements of the consumer at the time of the invention, and to provide a solution for the drawbacks as described above, whether or not in a preferred embodiment.
  • the invention is characterized in that the second closing means extend along the height of the transparent panel and comprise a transparent portion on the side of the transparent panel that faces away from the combustion chamber.
  • the transparent portion is simply an opening, but within the framework of the invention it could also be a second transparent panel. This characteristic aspect makes it possible to "hide" the transparent panel of the first closing means behind the second closing means, which thus determine the visual qualities of the gas fire to a significant extent.
  • first closing means comprising the transparent panel is necessary within the framework of the invention, and that their function cannot be taken over by the second closing means, since the combustion chamber must remain closed upon operation of the gas control block.
  • a very user-friendly embodiment is obtained if the second closing means are pivotable about a vertical pivot on a first side of the combustion chamber.
  • the opening and closing of the closing means can preferably take place manually, without having to use any tools.
  • first closing means are pivotable about a vertical pivot on a second side of the combustion chamber. It is noted in this connection that first closing means thus configured are also advantageous if the gas fire is otherwise in accordance with the prior art.
  • opening up of the combustion chamber by removing or at least opening the first closing means comprising the transparent panel preferably takes place by means of a tool. The reason for this is to prevent the combustion chamber being opened undesirably.
  • the required tool such as an Allen key, is preferably detachably connected to the gas fire, so that it is directly available at all times.
  • the first side and the second side are located on opposite sides of the combustion chamber. This is advantageous in particular from a constructional point of view, because it provides maximum possibilities for making those provisions that are required to enable pivoting of the closing means and the frame work.
  • a very advantageous preferred embodiment of the gas fire according to the invention is characterized in that the first closing means comprise a frame work which surrounds the transparent panel at least in part, with a first seal being present between the frame work and the transparent panel along the circumference of the transparent panel, which seal is connected both to the frame work and to the transparent panel by means of an adhesive.
  • An important advantage that is obtained in this way is the fact that the frame work, the first seal and the transparent panel remain interconnected if the combustion chamber is opened up through manipulation of the frame work with the transparent panel, for example for the purpose of removing soot deposits present on the inner side of the transparent panel. As a result, it is no longer necessary to reassemble the frame work, the first seal and the transparent panel when the combustion chamber is to be closed again.
  • a frame work thus configured can also be used advantageously in prior art gas fires.
  • a second seal is present between the transparent panel and a circumferential edge of the combustion chamber, which seal is connected either to the transparent panel or to the circumferential edge of the combustion chamber by means of an adhesive. Also in this case, it is advantageous that no separate operations are required for correctly positioning the second seal when the combustion chamber is being closed again after having been opened.
  • the first and the second seal are preferably in the form of a ribbon and comprise glass fibre, for example.
  • the combustion chamber preferably connects to a discharge channel for combustion gases, wherein an adjusting element is movable and the location of the transition between the combustion chamber and the discharge channel for varying the through-flow area between the combustion chamber and the discharge channel. It is possible to adjust the through-flow area required for effecting an optimum draught by means of one and the same adjusting element.
  • Such an adjusting element can also be used advantageously in combination with prior art gas fires.
  • marks are present in the direct vicinity of the adjusting element for moving the adjusting element to the correct position.
  • Said marks may be in the form of a scale, for example, on which the length of the discharge channel is indicated, on the basis of which the adjusting element can be moved to the correct position.
  • Figure 1 is a front view of a gas fire.
  • Figure 2 shows a gas fire of Figure 1 without a sight door.
  • Figure 3 shows the gas fire of Figure 1 without a sight door and without a closing door.
  • Figure 4 is a sectional view along the line IV-IV in Figure 1.
  • Figure 5 is a sectional view on a slightly large scale along the line V-V in Figure 1.
  • Figure 6 shows the detail VI in Figure 4.
  • Figure 7A is a top plan view of the area surrounding the transition between the discharge pipe and the combustion chamber.
  • Figure 7B is a side elevation of Figure 7A.
  • Figure 7C is a side elevation of Figure 7B.
  • FIGs 1, 4 and 5 show a gas fire 1 according to the invention, or at least the main components thereof, in front view and in cross-sectional view.
  • the heart of the gas fire is formed by the combustion chamber 2.
  • the combustion chamber 2 is surrounded by two inner side walls 3, a rear wall 4 and two inclined inner side walls 5, which join the respective inner side walls 3 and the rear wall 4 at their ends.
  • On the front side the combustion chamber 2 is closed by a closing door 6, which is pivotable about a vertical pivot 7 on the outer side of one of the two inner side walls 3.
  • a partly open position 6' of the closing door 6 is illustrated in dotted lines.
  • the rear wall 4 also forms a side wall for a channel 8 that is present behind the rear wall 4, via which channel 8 oxygen is supplied to a burner unit (not shown), which is connected to a gas control block present under the burner, which gas control block is positioned under the compression chamber 2, between the four legs 9 by means of which the gas fire rests on a supporting surface.
  • a burner unit not shown
  • gas control block present under the burner
  • gas control block is positioned under the compression chamber 2 between the four legs 9 by means of which the gas fire rests on a supporting surface.
  • the combustion chamber 2 is bounded by a ceiling 10, to which a discharge pipe 11 for combustion gases connects.
  • the discharge pipe 11 is surrounded by a supply pipe 12 for oxygen, which directly connects to the channel 8.
  • a sight door 16 which is pivotable about a vertical pivot 17.
  • Numeral 16' indicates a partly open position of the sight door 16 as illustrated in dotted lines.
  • the dimensions of the sight door are such that the entire combustion chamber 2 including the surrounding walls 2 as well as the gas control block and other functional parts, such as a gas hose and a receiver for receiving remote control signals, are screened off. Only a very limited lower portion of the legs 9 is still exposed to view.
  • the gas fire 1 can be disposed more or less free in a space, whilst on the other hand it is also possible to surround the gas fire with a frame, in which the frame closely abuts against the side edges and the upper edges of the sight door 16.
  • the sight door 16 mainly consists of a frame 18, which surrounds an opening 19.
  • the frame 18 is configured in such a manner that a passage 20 extends along the circumferential edge of the sight door 16, which passage allows heated air to pass, as is indicated by the arrow 15.
  • a user of the gas fire 1 can gain access to control elements, such as rotary knobs of the gas control block present at the bottom side of the combustion chamber 2, by opening the sight door 16. It will be understood that the opening or closing of the sight door 16 does not have any influence on the closed character of the combustion chamber 2, which is necessary for the closed combustion process.
  • the closing door 6 consists of a frame 21 surrounding a glass panel 22.
  • the frame 21 mainly consists of an angle section 23 (see Figure 6).
  • the connection between the glass panel 22 and the angle section 23 has been effected via a glass fibre cord 24 extending along the circumferential edge of the glass panel 22, which is glued to the inner side of the vertical portion of the angle section 23 and to the glass panel 22 by means of a suitable glue, for example a silicone-based glue.
  • a suitable glue for example a silicone-based glue.
  • the use of the glass fibre cord 24 makes it possible to absorb the thermal stresses resulting from the differences in the expansion coefficients of the angle section 23 and the glass panel 22, whilst in addition the required gastightness can be achieved.
  • a glass fibre cord 25 is likewise present on the inner side of the glass panel 22, which cord is glued to the glass panel.
  • the closing door 6 In its closed position, the closing door 6 is pressed against a flanged circumferential edge 26 on the front side of the combustion chamber 2 by clamping means (not shown).
  • clamping means may be provided by using Allen screws in a manner which may be considered to be known to a person skilled in the art.
  • the clamping action provides a gastight seal between the combustion chamber 2, or at least the stationary walls thereof, and the closing door 6 in the closed condition of the closing door 6, which is essential for the proper functioning of a closed combustion process. Opening and closing of the closing door 6 will only be necessary in a very limited number of situations, for example if the user wishes to clean the inner side of the glass panel 22.
  • the glass fibre cord 25 is glued to the glass panel 22
  • the glass panel 22 will abut against the glass fibre cord 25 in the closed position of the closing door 6.
  • the use of glued joints results in a connection between the angle section 23 and the glass panel 22 that will remain intact also when the closing door 6 is opened.
  • Figures 7A-7C show in detail the situation around the transition area between the combustion chamber 2 and the outlet 11. Since the length of a discharge system for the combustion gases connecting to the outlet 11 may vary, and since said length has a strong influence on the draught effect, it is desirable to influence the through-flow area 27 (hatched in the figure) so as to effect the same degree of draught for every gas fire 1, independently of the length of the discharge system.
  • Figures 7A-7C show that to this end a sliding system is provided which comprises a slide 28 capable of movement within guides 29 connected to the inner side of the ceiling 10. Movement can take place in the directions indicated by the double arrow 30.
  • the slide 28 is provided with a flanged edge 31 at one end, which makes it possible to operate said slide.
  • a scale 32 is arranged on the inner side of the ceiling 10. Said scale 32 may indicate the various possible lengths of discharge systems, for example, so that an installer can easily adjust the correct through-flow area 27 upon installation of the gas fire 1 by moving the flanged edge 31 to the position of the indication on the scale 32 that corresponds to the length of the discharge system. Such a system furthermore makes it possible to easily and quickly change a setting afterwards, which may be necessary because theory and practice are not quite the same, for example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
  • Special Wing (AREA)
  • Gas Burners (AREA)
EP02077737A 2001-07-12 2002-07-08 Poêle à radiation avec combustion fermée Withdrawn EP1275903A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1018521A NL1018521C2 (nl) 2001-07-12 2001-07-12 Gaskachel voor gesloten verbranding.
NL1018521 2001-07-12

Publications (2)

Publication Number Publication Date
EP1275903A2 true EP1275903A2 (fr) 2003-01-15
EP1275903A3 EP1275903A3 (fr) 2008-05-21

Family

ID=19773711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02077737A Withdrawn EP1275903A3 (fr) 2001-07-12 2002-07-08 Poêle à radiation avec combustion fermée

Country Status (2)

Country Link
EP (1) EP1275903A3 (fr)
NL (1) NL1018521C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004092653A2 (fr) * 2003-04-11 2004-10-28 Travis Industries, Inc. Installation de cheminee a events directs
US6953037B2 (en) 2003-04-11 2005-10-11 Travis Industries, Inc. Direct vent fireplace installation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115909A1 (fr) * 1983-01-08 1984-08-15 Valor Newhome Limited Chauffage au gaz
US5016609A (en) * 1990-04-27 1991-05-21 Shimek Ronald J Direct vented multi glass side fireplace
EP0644378A2 (fr) * 1993-09-17 1995-03-22 ZANUSSI GRANDI IMPIANTI S.p.A. Porte d'un four de cuisson
US5782231A (en) * 1997-02-24 1998-07-21 Temco Fireplace Products, Inc. Direct vent fireplace

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115909A1 (fr) * 1983-01-08 1984-08-15 Valor Newhome Limited Chauffage au gaz
US5016609A (en) * 1990-04-27 1991-05-21 Shimek Ronald J Direct vented multi glass side fireplace
EP0644378A2 (fr) * 1993-09-17 1995-03-22 ZANUSSI GRANDI IMPIANTI S.p.A. Porte d'un four de cuisson
US5782231A (en) * 1997-02-24 1998-07-21 Temco Fireplace Products, Inc. Direct vent fireplace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004092653A2 (fr) * 2003-04-11 2004-10-28 Travis Industries, Inc. Installation de cheminee a events directs
WO2004092653A3 (fr) * 2003-04-11 2005-03-24 Travis Ind Inc Installation de cheminee a events directs
US6953037B2 (en) 2003-04-11 2005-10-11 Travis Industries, Inc. Direct vent fireplace installation

Also Published As

Publication number Publication date
NL1018521C2 (nl) 2003-01-14
EP1275903A3 (fr) 2008-05-21

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